From: Michael Gebetsroither <gebi@sbox.tugraz.at>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] md-raid5+lvm+dm-crypt+kvm: one streaming write starves all reads
Date: Wed, 21 Oct 2009 17:34:50 +0200 [thread overview]
Message-ID: <hbn9mt$bqr$1@ger.gmane.org> (raw)
In-Reply-To: Mahogany-0.67.1-5524-20091021-170829.00@ming.ricknet.net
* Rick Moritz <rahvin@gmail.com> wrote:
>> > Is the advantage still there, when you've only got one core available?
>>
>> Is there a way to tell the kernel to disable one core at boot? The
>> BIOS doesn't have an option for it on this board.
>
> You should be able to build a non-SMP kernel - that ought to restrict the kernel threads to serial execution.
booting with maxcpus=0 or nosmp should do the same.
michael
--
It's already too late!
next prev parent reply other threads:[~2009-10-21 15:40 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-18 21:21 [dm-crypt] md-raid5+lvm+dm-crypt+kvm: one streaming write starves all reads Sven Eschenberg
2009-09-19 0:45 ` Arno Wagner
2009-09-19 11:45 ` Sven Eschenberg
2009-10-21 10:48 ` Christian Pernegger
2009-10-21 10:59 ` Rick Moritz
2009-10-21 15:05 ` Christian Pernegger
2009-10-21 15:08 ` Rick Moritz
2009-10-21 15:34 ` Michael Gebetsroither [this message]
2009-10-21 20:22 ` Christian Pernegger
-- strict thread matches above, loose matches on Subject: below --
2009-09-15 23:54 Christian Pernegger
2009-09-16 8:11 ` Arno Wagner
2009-09-16 17:40 ` Christian Pernegger
[not found] ` <20090916215427.GA20647@tansi.org>
2009-09-17 0:36 ` Christian Pernegger
2009-09-17 11:12 ` Arno Wagner
2009-09-18 12:22 ` Christian Pernegger
2009-09-18 21:09 ` Arno Wagner
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